Confluence running on MySQL throws "Errcode: 28 - No space left on device"
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Note that this knowledge base article was created for the Data Center version of the product. Data Center knowledge base articles for non-Data Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Problem
Confluence fails while performing various operations (including but not limited) to:
- Performing Backup
The following appears in the atlassian-confluence.log
caused by: java.sql.SQLException: Can't create/write to file '/tmp/#sql_59f_0.MYI' (Errcode: 28 - No space left on device)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:965)Diagnosis
Environment
- MySQL as database
Cause
There is not enough disk space to run the database.
In particular, it means that MySQL cannot create a temporary file for the result set in the temporary directory (refer to the MySQL documentation for more details).
Resolution
- Stop Confluence
- Increase the available space for the database for the /tmp folder
- Start Confluence